private void Geri_Click(object sender, EventArgs e)
        {
            IslemSec islemsec = new IslemSec();

            this.Close();
            islemsec.Show();
        }
        private void Geri_Click(object sender, EventArgs e)
        {
            IslemSec form3 = new IslemSec();

            this.Close();
            form3.Show();
        }
        private void GirisYap_Click(object sender, EventArgs e)
        {
            komut = new MySqlCommand("Select* From uyeler where Kullanici_Adi = ('" + KAdi.Text + "' ) and Sifre = ('" + Sifre.Text + "')", con);

            con.Open();
            MySqlDataReader dr;

            dr = komut.ExecuteReader();
            if (dr.Read())
            {
                IslemSec Form = new IslemSec();
                this.Hide();
                Form.Show();
                con.Close();
            }
            else
            {
                MessageBox.Show("Kullanıcı Adı veya Parola Yanlış!");
                con.Close();
            }
        }